Home / 106,417.69-159,651.59-31,538.45

Finding the Fourth Proportional to 106,417.69, 159,651.59 and 31,538.45

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Solution

The fourth proportional to 106,417.69, 159,651.59 and 31,538.45 is: 47,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,417.69 : 159,651.59 = 31,538.45 : x
  2. Step 2: Convert to fraction form
    106,417.69/159,651.59 = 31,538.45/x
  3. Step 3: Cross multiply
    106,417.69x = 159,651.59 × 31,538.45
  4. Step 4: Simplify right side
    106,417.69x = 5,035,163,688.64
  5. Step 5: Solve for x
    x = 5,035,163,688.64/106,417.69
  6. Step 6: Final answer
    x = 47,315.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.